Year	kg of oil equivalent (constant 2011 PPP)
1990	75.2918351122374
1991	77.14494064354
1992	77.5213391149804
1993	75.6758897959953
1994	75.4019402324484
1995	73.9704956223656
1996	75.0122851659076
1997	74.5883265175235
1998	73.2997542353085
1999	72.2066940599126
2000	68.5479989316795
2001	71.8592406028249
2002	69.9346560332471
2003	70.1962048505618
2004	68.5481412106372
2005	66.1017121663586
2006	66.3674916899044
2007	60.6161544737391
2008	61.6639820235699
2009	63.5309924703666
2010	59.9219574562843
2011	57.0507230180254
2012	57.041017123576
2013	58.4429501580961
2014	53.4785426888034
2015	51.6369814426991